Which of the following can be oxidized by acidified $K_{2} {C r}_{2} O_{7}$ ?

Nitrate ions

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Sulphite ions

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Ferric ions

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Borate ions

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Solution

The correct option is A Nitrate ions
$2 P b {({N O}_{3})}_{2} + K_{2} {C r}_{2} O_{7} + H_{2} O \to 2 P b {C r O}_{4} + 2 K N O_{3} + 2 {H N O}_{3}$
$\Rightarrow$ Nitrate ions could be oxidized by $K_{2} {C r}_{2} O_{7}$ .

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Similar questions

Q. Which of the following can be oxidised by acidified

K_{2} C r_{2} O_{7}

Q. Assertion :Oxidation of alcohol with acidified potassium dichromate can be used for identification of alcohol. Reason: During oxidation with acidified potassium dichromate orange colour of

K_{2} C r_{2} O_{7}

changes to blue.

Q. Acidified

K_{2} C r_{2} O_{7}

oxidizes

H_{2} S

$A_{2} O_{n}$ is oxidized to $A O_{3}^{-}$ by $K M n O_{4}$ in acidic medium. If 1.34 mmol of $A_{2} O_{n}$ requires 32.2 mL of 0.05 M acidified $K M n O_{4}$ solution for complete oxidation, which of the following statement(s) is/are correct?

Q. If true enter 1, else enter 0.

S O_{2}

turns acidified

K_{2} C r_{2} O_{7}

solution green. Oxidation number of the green coloured ion is 3

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Which of the following can be oxidized by acidified K2Cr2O7 ?

The correct option is A Nitrate ions2Pb(NO3)2+K2Cr2O7+H2O→2PbCrO4+2KNO3+2HNO3⇒ Nitrate ions could be oxidized by K2Cr2O7.

Which of the following can be oxidized by acidified $K_{2} {C r}_{2} O_{7}$ ?

The correct option is A Nitrate ions
$2 P b {({N O}_{3})}_{2} + K_{2} {C r}_{2} O_{7} + H_{2} O \to 2 P b {C r O}_{4} + 2 K N O_{3} + 2 {H N O}_{3}$
$\Rightarrow$ Nitrate ions could be oxidized by $K_{2} {C r}_{2} O_{7}$ .